ctrloop-constrained-fp.ll
2.81 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple powerpc64le < %s | FileCheck %s
; Check constrained ops converted to call
define void @test(double* %cast) {
; CHECK-LABEL: test:
; CHECK: # %bb.0: # %root
; CHECK-NEXT: mflr 0
; CHECK-NEXT: .cfi_def_cfa_offset 64
; CHECK-NEXT: .cfi_offset lr, 16
; CHECK-NEXT: .cfi_offset r29, -24
; CHECK-NEXT: .cfi_offset r30, -16
; CHECK-NEXT: std 29, -24(1) # 8-byte Folded Spill
; CHECK-NEXT: std 30, -16(1) # 8-byte Folded Spill
; CHECK-NEXT: std 0, 16(1)
; CHECK-NEXT: stdu 1, -64(1)
; CHECK-NEXT: li 30, 0
; CHECK-NEXT: addi 29, 3, -8
; CHECK-NEXT: .p2align 5
; CHECK-NEXT: .LBB0_1: # %for.body
; CHECK-NEXT: #
; CHECK-NEXT: lfdu 1, 8(29)
; CHECK-NEXT: bl cos
; CHECK-NEXT: nop
; CHECK-NEXT: addi 30, 30, 8
; CHECK-NEXT: stfdx 1, 0, 29
; CHECK-NEXT: cmpldi 30, 2040
; CHECK-NEXT: bne 0, .LBB0_1
; CHECK-NEXT: # %bb.2: # %exit
; CHECK-NEXT: addi 1, 1, 64
; CHECK-NEXT: ld 0, 16(1)
; CHECK-NEXT: ld 30, -16(1) # 8-byte Folded Reload
; CHECK-NEXT: ld 29, -24(1) # 8-byte Folded Reload
; CHECK-NEXT: mtlr 0
; CHECK-NEXT: blr
root:
br label %for.body
exit:
ret void
for.body:
%i = phi i64 [ 0, %root ], [ %next, %for.body ]
%idx = getelementptr inbounds double, double* %cast, i64 %i
%val = load double, double* %idx
%cos = tail call nnan ninf nsz arcp double @llvm.experimental.constrained.cos.f64(double %val, metadata !"round.dynamic", metadata !"fpexcept.strict")
store double %cos, double* %idx, align 8
%next = add nuw nsw i64 %i, 1
%cond = icmp eq i64 %next, 255
br i1 %cond, label %exit, label %for.body
}
; Check constrained ops converted to native instruction
define void @test2(double* %cast) {
; CHECK-LABEL: test2:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: li 4, 255
; CHECK-NEXT: addi 3, 3, -8
; CHECK-NEXT: mtctr 4
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB1_1: # %for.body
; CHECK-NEXT: #
; CHECK-NEXT: lfdu 0, 8(3)
; CHECK-NEXT: xssqrtdp 0, 0
; CHECK-NEXT: stfdx 0, 0, 3
; CHECK-NEXT: bdnz .LBB1_1
; CHECK-NEXT: # %bb.2: # %exit
; CHECK-NEXT: blr
entry:
br label %for.body
for.body:
%i = phi i64 [ 0, %entry ], [ %next, %for.body ]
%idx = getelementptr inbounds double, double* %cast, i64 %i
%val = load double, double* %idx
%cos = tail call nnan ninf nsz arcp double @llvm.experimental.constrained.sqrt.f64(double %val, metadata !"round.dynamic", metadata !"fpexcept.strict")
store double %cos, double* %idx, align 8
%next = add nuw nsw i64 %i, 1
%cond = icmp eq i64 %next, 255
br i1 %cond, label %exit, label %for.body
exit:
ret void
}
declare double @llvm.experimental.constrained.cos.f64(double, metadata, metadata)
declare double @llvm.experimental.constrained.sqrt.f64(double, metadata, metadata)